<template>
	<div class="icons">
		<swiper :options="swiperOption">
			<swiper-slide v-for="(page, index) of pages" :key="index">
				<div class="icon"
					v-for="item of list"
					:key="item.id">
					<div class="icon-img">
					<img class="icon-img-content" 
						:src="item.imgUrl">
					</div>
					<p class="icon-desc">{{item.desc}}</p>
				</div>
			</swiper-slide>
		</swiper>
	</div>
</template>

<script>
export default {
	name: 'HomeIcons',
	props: {
		list: Array
	},
	data () {
		return {
			swiperOption: {
				autoplay: false
			}
		}
	},
		computed: {
			pages () {
				const pages = []
				this.list.forEach((item, index) => {
					const page = Math.floor(index / 8)
					if (!pages[page]) {
						pages[page] = []
					}
					pages[page].push(item)
				})
				return pages
				}
			}
	}
</script>

<style lang="stylus" scoped>
	@import '~styles/varibles.styl'
	@import '~styles/mixins.styl'
	.icons >>> .swiper-container
		height: 0
		padding-bottom: 50%	
	.icons
		margin-top: .1rem
		.icon
			position: relative
			overflow: hidden
			float: left
			width: 25%
			height: 0
			padding-bottom:25%
			.icon-img
				position: absolute
				top: 0
				left: 0
				right: 0
				bottom: .44rem
				box-sizing: border
				padding: .1rem
				.icon-img-content
					display: block
					margin: 0 auto
					height: 100%
			.icon-desc
				position: absolute
				left: 0
				right: 0
				bottom: 0
				height: .44rem
				line-height: .44rem
				text-align: center
				color: $darkTextColor
				ellipsis()

</style>